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44432 Commits

Author SHA1 Message Date
Evan Cheng 89200c9177 Speculatively execute a block when the the block is the then part of a triangle shape and it contains a single, side effect free, cheap instruction. The branch is eliminated by adding a select instruction. i.e. 
Turn                                                                                                                                                                                                       
BB:                                                                                                                                                                                                        
    %t1 = icmp                                                                                                                                                                                             
    br i1 %t1, label %BB1, label %BB2                                                                                                                                                                      
BB1:                                                                                                                                                                                                       
    %t3 = add %t2, c                                                                                                                                                                                       
    br label BB2                                                                                                                                                                                           
BB2:                                                                                                                                                                                                       
=>                                                                                                                                                                                                         
BB:                                                                                                                                                                                                        
    %t1 = icmp                                                                                                                                                                                             
    %t4 = add %t2, c                                                                                                                                                                                       
    %t3 = select i1 %t1, %t2, %t3

llvm-svn: 52073
 2008-06-07 08:52:29 +00:00
Evan Cheng 003b4b0cd2 Fix run line. 
llvm-svn: 52072
 2008-06-07 08:40:16 +00:00
Evan Cheng 1a0835017a Revert r52046. It broke cbe on x86 / Mac OS X. 
llvm-svn: 52071
 2008-06-07 07:50:29 +00:00
Sanjiv Gupta 1929242a94 Create debug type descriptors for aggregate/enum types. 
llvm-svn: 52070
 2008-06-07 04:46:53 +00:00
Dan Gohman f6743d70ab CodeGen support for insertvalue and extractvalue, and for loads and 
stores of aggregate values.

llvm-svn: 52069
 2008-06-07 02:02:36 +00:00
Owen Anderson 0bd08cf64c Connect successors before creating the DAG node for the branch. This has 
no visible functionality change, but enables a future patch where node creation
will update the CFG if it decides to create an unconditional rather than a conditional branch.

llvm-svn: 52067
 2008-06-07 00:00:23 +00:00
Ted Kremenek 92611db88f Use a common SourceManager when processing multiple files. This allows us to cache the contents of source files already loaded from disk. 
llvm-svn: 52066
 2008-06-06 22:42:39 +00:00
Ted Kremenek af44b83296 Updated Xcode project. 
llvm-svn: 52065
 2008-06-06 21:48:51 +00:00
Gabor Greif cbcc495c1b get rid of ExtractValueInst::init's Value argument, it is already passed to the UnaryInstruction ctor 
llvm-svn: 52064
 2008-06-06 21:06:32 +00:00
Ted Kremenek ef17049bac Reclaim memory owned by ObjCForwardProtocolDecls. 
llvm-svn: 52063
 2008-06-06 21:05:33 +00:00
Evan Cheng 0b8f2c53a2 Typo. 
llvm-svn: 52062
 2008-06-06 21:00:10 +00:00
Gabor Greif 21ba184b27 make ExtractValueInst derived from UnaryInstruction 
llvm-svn: 52061
 2008-06-06 20:28:12 +00:00
Eli Friedman fd1e32b1f3 Reorganize this loop a bit so it doesn't crash for empty unions. Fixes 
PR2419.

llvm-svn: 52060
 2008-06-06 20:12:37 +00:00
Ted Kremenek 71fff8b4de Implement "Destroy" and destructor for ObjCClassDecl, allowing us to reclaim its memory and the memory of the Decls it owns. 
llvm-svn: 52059
 2008-06-06 20:11:53 +00:00
Evan Cheng c324be32c4 Enable stack coloring by default. 
llvm-svn: 52057
 2008-06-06 19:52:44 +00:00
Evan Cheng 9bf9110d93 PPC preferred loop alignment is 16. 
llvm-svn: 52056
 2008-06-06 19:50:46 +00:00
Ted Kremenek 2e34af659a Implement "Destroy" and destructor for ObjCProtocolDecl, allowing us to reclaim its memory and the memory of the Decls it owns. 
llvm-svn: 52055
 2008-06-06 19:48:57 +00:00
Eli Friedman 01321c3b8c Clean up dead code from SemaInit landing. 
llvm-svn: 52054
 2008-06-06 19:40:52 +00:00
Devang Patel 8549e4ca07 LoopSimplify preserves AA. 
llvm-svn: 52053
 2008-06-06 17:50:58 +00:00
Devang Patel 656a917ad9 Print debug message only if there are dead passes. 
llvm-svn: 52052
 2008-06-06 17:50:36 +00:00
Ted Kremenek 5144fe2287 Because of a lack of a clear ownership role between ObjCInterfaceDecls and 
ObjCPropertyDecls, have TranslationUnit destroy ObjCPropertyDecls. This is a
horrible hack, and must be removed eventually.

llvm-svn: 52051
 2008-06-06 17:21:42 +00:00
Ted Kremenek 09a0d04ea0 Initial work on additional memory collection for ObjC AST objects. We now 
have Destroy methods of ObjcMethodDecl and ObjCInterfaceDecl which recursively
destroy their owned Decls and Stmts.  There are a few cases where it is not
clear what to do (FIXMEs included in the patch).

llvm-svn: 52050
 2008-06-06 16:45:15 +00:00
Nuno Lopes 9b07b7b099 implement constant expr. sub ptr ptr 
llvm-svn: 52049
 2008-06-06 16:41:08 +00:00
Owen Anderson f7647e432c Include loop deletion and the ADCE rewrite in the release notes. 
llvm-svn: 52048
 2008-06-06 16:23:15 +00:00
Anton Korobeynikov 089018fb05 Testcase for PR2418 
llvm-svn: 52047
 2008-06-06 16:08:56 +00:00
Anton Korobeynikov f69bc3df9b Handle assembler identifiers specially in CBE. This fixes PR2418. 
llvm-svn: 52046
 2008-06-06 16:08:26 +00:00
Duncan Sands f1123e58fc Tighten up the abstraction slightly. 
llvm-svn: 52045
 2008-06-06 12:49:32 +00:00
Duncan Sands 13237ac3b9 Wrap MVT::ValueType in a struct to get type safety 
and better control the abstraction.  Rename the type
to MVT.  To update out-of-tree patches, the main
thing to do is to rename MVT::ValueType to MVT, and
rewrite expressions like MVT::getSizeInBits(VT) in
the form VT.getSizeInBits().  Use VT.getSimpleVT()
to extract a MVT::SimpleValueType for use in switch
statements (you will get an assert failure if VT is
an extended value type - these shouldn't exist after
type legalization).
This results in a small speedup of codegen and no
new testsuite failures (x86-64 linux).

llvm-svn: 52044
 2008-06-06 12:08:01 +00:00
Zhou Sheng 1152ca9101 As Chris suggested, handle the situation if ShAmt larger than BitWidth, 
otherwise, opt might crash.

llvm-svn: 52041
 2008-06-06 08:32:05 +00:00
Evan Cheng 6d7a144453 Refine stack slot interval weight computation. 
llvm-svn: 52040
 2008-06-06 07:54:39 +00:00
Anton Korobeynikov 5b3e396c24 Turn stdout into binary mode during bitcode emission. 
This is necessary on windows targets, since stdout is in text mode there.
Patch by Julien Lerouge!

llvm-svn: 52038
 2008-06-06 07:24:01 +00:00
Anton Korobeynikov 5e8644071d Provide hooks for libgcc symbols' address resolution inside lli on mingw32. 
Patch by Julien Lerouge!

llvm-svn: 52037
 2008-06-06 07:20:07 +00:00
Bruno Cardoso Lopes 1a6e0d613f Added custom isel for MUL, SDIVREM, UDIVREM, SMUL_LOHI and UMUL_LOHI nodes 
MUL is not anymore directly matched because its a pseudoinstruction.
LogicI class fixed to zero-extend immediates. 

llvm-svn: 52036
 2008-06-06 06:37:31 +00:00
Devang Patel 8f5645cd51 During interface layout, don't forget super class. 
llvm-svn: 52035
 2008-06-06 02:14:01 +00:00
Devang Patel e1f10511ba Undo previous check-in. 
llvm-svn: 52034
 2008-06-06 02:00:35 +00:00
Devang Patel 1216b05d3d During interface layout, don't forget super class. 
llvm-svn: 52033
 2008-06-06 01:50:12 +00:00
Ted Kremenek 3ad519441f Fix crash when running with multiple source files. This can be improved. 
llvm-svn: 52032
 2008-06-06 01:47:30 +00:00
Bruno Cardoso Lopes 4eed3afda0 Added custom SELECT_CC lowering 
Added special isel for ADDE,SUBE and new patterns to match SUBC,ADDC

llvm-svn: 52031
 2008-06-06 00:58:26 +00:00
Dan Gohman 1d304a99d7 Revert 52002. 
llvm-svn: 52030
 2008-06-05 23:57:06 +00:00
Chris Lattner 3816aa7ef7 Expose a public interface to this pass. 
llvm-svn: 52029
 2008-06-05 23:45:18 +00:00
Chris Lattner 0282d0247e Let libcall semantics decide whether it knows about functions 
with definitions or not.

llvm-svn: 52028
 2008-06-05 23:38:34 +00:00
Evan Cheng c7007a7211 Warn of potential violations of strict aliasing rules. 
llvm-svn: 52027
 2008-06-05 23:00:08 +00:00
Evan Cheng 9e76c047d1 Don't break strict aliasing. 
llvm-svn: 52026
 2008-06-05 22:59:21 +00:00
Steve Naroff d32ae8edf2 Oops...remove weird printf:-) 
llvm-svn: 52025
 2008-06-05 22:58:33 +00:00
Steve Naroff 946166f4e9 Second half of "fix" for <rdar://problem/5986085> clang on xcode: error: redefinition of 'XCElementToggler' as different kind of symbol 
llvm-svn: 52024
 2008-06-05 22:57:10 +00:00
Ted Kremenek dfa8c8aef5 Ignore a few more linker arguments. 
llvm-svn: 52023
 2008-06-05 22:46:24 +00:00
Devang Patel 33aac00892 Describe loop index split. 
llvm-svn: 52021
 2008-06-05 21:44:00 +00:00
Dan Gohman ae408aa83f Wording fixes. Thanks Bill! 
llvm-svn: 52017
 2008-06-05 18:45:33 +00:00
Owen Anderson 05d1cd99b3 Remove debugging code. 
llvm-svn: 52016
 2008-06-05 18:43:34 +00:00
Gabor Greif 80ae8a7194 fix typos, tweak stuff, make it to validate 
llvm-svn: 52015
 2008-06-05 18:39:01 +00:00